Item #: 33-0265
Availability: In Stock
Usually ships In 1-2 Business Days
Price: $228.00

    Quantity:

    Van Air Systems Molecular Sieve 4A Desiccant is shipped in 50 pound bags. Molecular sieve is a sodium aluminosilicate. It has a fixed pore size according to the material specified, a 4 Angstrom pore size being the most common. (1 Angstrom - 3.94 x 10-9 inches)

    Because of its high comparative cost, it is normally used for special process applications. Pressure dew points to -100°F may be achieved with molecular sieve depending on the dryer design and operating conditions.

    Color and Form: Off white / tan bead
    Bulk Density: 49 lbs/cu.ft.
    Surface area: 3.67 x 10 6 sq ft/lb

    Static adsorption | Humidity
    100% RH - 23.0%
    90% RH - 22.5%
    60% RH - 21.0%
    10% RH - 19.0%

    1. Uniform retention capacity
    Moisture retention (pounds of water adsorbed per pound of desiccant) does not change appreciably if the air or gas is not saturated. It also keeps its moisture retention properties over a wider range of operating temperatures.

    2. Round bead shape
    Round shape has high abrasion resistance and results in lower pressure drop than extruded molecular sieve.

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